Across
- 2. Thermal energy transferred between two substance
- 3. The amount of space occupied
- 5. Occupies physical space & can be weighed
- 10. A material formed by chemical elements
- 11. A chemical reaction which stores heat
- 13. A measure of the amount of matter an object contains
- 14. A pure substance made up of only one atom
- 15. Chemicals interacting to form new chemicals
- 16. Study of the change of matter
- 17. Substances being held and or held together
- 18. Two or more atoms chemically bonded
Down
- 1. A change of materials into another
- 4. The smallest substance that can't be broken down
- 6. Materials in a reaction that undergo a chemical change
- 7. The form of the matter changes, not the kind of matter inside of it
- 8. Measure of the average kinetic energy
- 9. The action of molecules sticking together
- 12. Speeds up a chemical reaction